diff --git a/superx/WEB-INF/conf/edustore/db/install/schluesseltabellen/release_unloads/fm_templates.unl b/superx/WEB-INF/conf/edustore/db/install/schluesseltabellen/release_unloads/fm_templates.unl
index db94630..7e11a06 100644
--- a/superx/WEB-INF/conf/edustore/db/install/schluesseltabellen/release_unloads/fm_templates.unl
+++ b/superx/WEB-INF/conf/edustore/db/install/schluesseltabellen/release_unloads/fm_templates.unl
@@ -598,12 +598,14 @@ and T.sourcesystem=${Quellsystem_var} \
 update tmp_cifx2 set apnr=(select min(apnr) from cifx T\
 where T.uniquename=tmp_cifx2.uniquename\
 and T.key=tmp_cifx2.key\
+and T.sourcesystem !=tmp_cifx2.sourcesystem\
 and today() between T.d_akt_von and T.d_akt_bis\
 )\
 where apnr is null \
 and 0 < (select count(*) from cifx T\
 where T.uniquename=tmp_cifx2.uniquename\
 and T.key=tmp_cifx2.key\
+and T.sourcesystem !=tmp_cifx2.sourcesystem\
 and today() between T.d_akt_von and T.d_akt_bis\
 )\
 ;\
@@ -1150,12 +1152,14 @@ and T.sourcesystem=${Quellsystem_var} \
 update tmp_cifx2 set apnr=(select min(apnr) from cifx T\
 where T.uniquename=tmp_cifx2.uniquename\
 and T.key=tmp_cifx2.key\
+and T.sourcesystem !=tmp_cifx2.sourcesystem\
 and today() between T.d_akt_von and T.d_akt_bis\
 )\
 where apnr is null \
 and 0 < (select count(*) from cifx T\
 where T.uniquename=tmp_cifx2.uniquename\
 and T.key=tmp_cifx2.key\
+and T.sourcesystem !=tmp_cifx2.sourcesystem\
 and today() between T.d_akt_von and T.d_akt_bis\
 )\
 ;\